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  • Horsehead - Image credit: Caltech Optical Observatories The Zwicky Transient Facility sees “first light”: a new era in the study of the dynamic sky 2017-11-15 The Zwicky Transient Facility is now ready to start operations. A new robotic camera with the ability to capture hundreds of thousands of galaxies in a single shot has taken its first image of the sky. The recently installed camera is part of a new automated sky-survey project based at the Palomar Observatory in California and a revolutionising tool for the study of rapidly varying cosmic phenomena
  • Sara Strandberg Quest for the unknown elementary particle 2017-11-15 Thanks to a 35.2 million SEK grant from the Knut and Alice Wallenberg Foundation, Sara Strandberg and her colleagues can go on the hunt for new particles that could explain the mass of the Higgs boson
  • A graph of the brightness versus time which lasts longer than expected for the supernova iPTF14hls. A strange stellar explosion with enduring brightness 2017-11-15 Located in a dwarf galaxy 500 million light years away, supernova iPTF14hls initially seemed like an ordinary explosion of a red giant star. Then it lasted more than four times longer than a normal supernova.
  • An image of the shiny silver dome of the Nordic Optical Telescope (NOT) during the daytime. The most energetic transient events : supernovae or stars disrupted by black holes? 2017-11-14 A new type of energetic transient has been discovered in the center of active galaxies. There are two potential causes for these events : the explosion of a massive star or the tidal disruption of a star by the galaxy's central, supermassive black hole.
  • Credits: Björn Olin/Folio/
The cosmoparticle exchange programme 2017-11-13 Welcome to the Cosmoparticle Visitor Exchange Programme, linking London UCL, Ohio CCAPP, New York CCA, Stanford KIPAC, Stockholm OKC and Durham ICC.
  • Frank Wilczek ERC Grant to detect the existence of axions 2017-10-11 Frank Wilczek, professor at the Department of Physics at Stockholm University, has been awarded the ERC Advanced Grant for the theoretical study of axions. Axions are hypothetical particles whose existence would solve the dark matter problem.
  • The Dark Matter WG changes name 2017-05-30


Prof. Hiranya Peiris

Deputy Directors

Prof. Garrelt Mellema

Dr. Chad Finley

Communication manager

Serena Nobili

Oskar Klein

Oskar Benjamin Klein

was born in Stockholm the 15th of September 1894.  He is the greatest Swedish theoretical physicist of the 20th century, and also an International authority on quantum  mechanics in his time but even more recognised after his death for his pioneering work in several fields. Oskar Klein studied very fundamental theoretical questions.